Explanation: You're taking property that's not yours or that you haven't paid for, therefore law enforcement or security (depending on your location) get's involved, that's why you don't steal kids.
It is a dilemma because there is a conflict between the choices. Usually one action, though morally right, violates another ethical standard. A classic example is stealing to feed your family. Stealing is legally and ethically wrong, but if your family is starving it might be morally justified.